Medical research

Common dry cleaning chemical linked to Parkinson's

A common and widely used chemical may be fueling the rise of the world's fastest growing brain condition—Parkinson's disease. For the past 100 years, trichloroethylene (TCE) has been used to decaffeinate coffee, degrease ...

Other

Renegade sperm donor triggers US probe

A California man who donates his sperm for free to couples who want to have a baby is being investigated by US regulators but insists he will continue his efforts as a matter of goodwill.

Other

AstraZeneca opens research center as UK builds science hub

Prince Charles praised Cambridge as a center of scientific collaboration Tuesday as the pharmaceutical company AstraZeneca opened a 1 billion-pound ($1.34 billion) research center, hoping to build on work in developing one ...

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Silicon Valley

Silicon Valley is the southern part of the San Francisco Bay Area in Northern California, United States. The term originally referred to the region's large number of silicon chip innovators and manufacturers, but eventually came to refer to all the high-tech businesses in the area; it is now generally used as a metonym for the high-tech sector. Despite the development of other high-tech economic centers throughout the United States, Silicon Valley continues to be the leading high-tech hub because of its large number of engineers and venture capitalists. Geographically, Silicon Valley encompasses the northern part of the Santa Clara Valley and adjacent communities.

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